Blueflower Butterwort
Pinguicula caerulea
- Native to:
- United States
gailhampshire (www.flickr.com) from Cradley, Malvern, U.K






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Lentibulariaceae
- Genus:
- Pinguicula
- Species:
- Pinguicula caerulea
- USDA Symbol:
- PICA7
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- violet, blue, purple
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Native to frequently burned wet pine savannas and seepage bogs; tolerates fire and may benefit from reduced competition post-burn.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers boggy, wetland environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination. Surface sow on moist peat and keep humid.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI